Part of the Bestiary of the Steel Realms > Creatures of the Dark Lands
They are loners and difficult to control. They are perpetually in pain, and angry, and when they focus their anger, the violence of the environment and their physical wrath is terrifying.
Powerful places with natural anima founts are places that soothe their eternal agony of existence. This extends & amplifies their area of effect and time for weather control.
Weather Influence/Control: They are known to be able to control or influence weather on locales where they are. They have been known to bring forth the remains of those destroyed in elemental/natural disasters.
Base reference: Formorian Giants w/+30hp; fog cloud is 4x normal size; When at an anima font, they can call lightning 4/round (3d8 lightning damage) as a legendary action 1/round anywhere within 2km range. Additionally, their special abilities they can use as a Bonus Action each round.